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131242200021241 = 973473899171099
BaseRepresentation
bin11101110101110100110100…
…101101100011100011111001
3122012200122001120111121000221
4131311310310231203203321
5114200233011201134431
61143043500115300041
736433636030523431
oct3565646455434371
9565618046447027
10131242200021241
11388aa560486931
121287774b2aa621
13583011796065a
14245a2291392c1
151028d9de8e111
hex775d34b638f9

131242200021241 has 8 divisors (see below), whose sum is σ = 132977331194400. Its totient is φ = 129514867191168.

The previous prime is 131242200021239. The next prime is 131242200021253. The reversal of 131242200021241 is 142120002242131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131242200021241 - 21 = 131242200021239 is a prime.

It is a super-2 number, since 2×1312422000212412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131242200021211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949551891 + ... + 1949619208.

It is an arithmetic number, because the mean of its divisors is an integer number (16622166399300).

Almost surely, 2131242200021241 is an apocalyptic number.

It is an amenable number.

131242200021241 is a deficient number, since it is larger than the sum of its proper divisors (1735131173159).

131242200021241 is an equidigital number, since it uses as much as digits as its factorization.

131242200021241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899171543.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131242200021241 its reverse (142120002242131), we get a palindrome (273362202263372).

The spelling of 131242200021241 in words is "one hundred thirty-one trillion, two hundred forty-two billion, two hundred million, twenty-one thousand, two hundred forty-one".

Divisors: 1 97 347 33659 3899171099 378219596603 1353012371353 131242200021241